Bhagavatapurana 5.7.10

5.7.10

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yatrāśrama-padāny ubhayato nābhibhir dṛṣac-cakraiś cakra-nadī nāma sarit-pravarā sarvataḥ pavitrī-karoti //

10. There all over the hermitage flows the very sacred river Gandaki known as Chakranadi; so called on account of its being full of stones, characterised by navel-like dimples on both sides and marks of Chakra.